1// Aseprite UI Library
2// Copyright (C) 2019-2022 Igara Studio S.A.
3// Copyright (C) 2001-2017 David Capello
4//
5// This file is released under the terms of the MIT license.
6// Read LICENSE.txt for more information.
7
8#ifdef HAVE_CONFIG_H
9#include "config.h"
10#endif
11
12#include "ui/listitem.h"
13
14#include "ui/message.h"
15#include "ui/size_hint_event.h"
16#include "ui/resize_event.h"
17#include "ui/theme.h"
18#include "ui/view.h"
19
20#include <algorithm>
21
22namespace ui {
23
24using namespace gfx;
25
26ListItem::ListItem(const std::string& text)
27 : Widget(kListItemWidget)
28{
29 setDoubleBuffered(true);
30 setAlign(LEFT | MIDDLE);
31 setText(text);
32 initTheme();
33}
34
35bool ListItem::onProcessMessage(Message* msg)
36{
37 switch (msg->type()) {
38 case kDoubleClickMessage:
39 // Propagate the message to the parent.
40 if (parent())
41 return parent()->sendMessage(msg);
42 else
43 break;
44 break;
45 }
46 return Widget::onProcessMessage(msg);
47}
48
49void ListItem::onResize(ResizeEvent& ev)
50{
51 setBoundsQuietly(ev.bounds());
52
53 Rect crect = childrenBounds();
54 for (auto child : children())
55 child->setBounds(crect);
56}
57
58void ListItem::onSizeHint(SizeHintEvent& ev)
59{
60 int w = 0, h = 0;
61 Size maxSize;
62
63 if (hasText()) {
64 if (m_textLength >= 0) {
65 maxSize.w = m_textLength;
66 maxSize.h = textHeight();
67 }
68 else {
69 maxSize = textSize();
70 m_textLength = maxSize.w;
71 }
72 }
73 else
74 maxSize.w = maxSize.h = 0;
75
76 for (auto child : children()) {
77 Size reqSize = child->sizeHint();
78
79 maxSize.w = std::max(maxSize.w, reqSize.w);
80 maxSize.h = std::max(maxSize.h, reqSize.h);
81 }
82
83 w = maxSize.w + border().width();
84 h = maxSize.h + border().height();
85
86 ev.setSizeHint(Size(w, h));
87}
88
89void ListItem::onInitTheme(InitThemeEvent& ev)
90{
91 Widget::onInitTheme(ev);
92 m_textLength = -1;
93}
94
95void ListItem::onSetText()
96{
97 Widget::onSetText();
98 m_textLength = -1;
99}
100
101} // namespace ui
102